Electric toothbrush



FIG. 1 is a perspective view of an electric toothbrush from above, showing our new design;

FIG. 2 is a front view of the appliance thereof;

FIG. 3 is a rear view of the appliance thereof

FIG. 4 is a side view of the appliance thereof;

FIG. 5 is a top plan view of the appliance thereof; and,

FIG. 6 is a bottom plan view of the appliance thereof.

The circular broken line shown on the bottom of the handle represents the bounds of the claim and forms no part of the claimed design. 

The ornamental design for an electric toothbrush, as shown and described. 